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Re: Framing and control-frame continuations

Ilari Liusvaara <ilari.liusvaara@elisanet.fi> Wed, 06 February 2013 17:07 UTC

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Date: Wed, 06 Feb 2013 19:06:24 +0200
From: Ilari Liusvaara <ilari.liusvaara@elisanet.fi>
To: Amos Jeffries <squid3@treenet.co.nz>
Cc: ietf-http-wg@w3.org
Message-ID: <20130206170624.GA17660@LK-Perkele-VII>
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Subject: Re: Framing and control-frame continuations
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On Thu, Feb 07, 2013 at 12:47:08AM +1300, Amos Jeffries wrote:

> Magic" below.  I've been holding this off while I try to figure out
> what bit ranges the TLS handshakes are detectible with. It seems
> 32-bits is required if we merge TLS port 443 traffic into this
> magic, but I'm not yet completely certain of that.

AFAIK, the first bytes from client in current TLS connections are:

0x16 (Handshake packet)
0x03 (SSLv3 or TLS v1.x)
0x00-0x03 (At least until TLSv1.3 appears, that would use 0x04).

Then there's the SSLv2 compatiblity handshake. Hope nothing uses
that anymore.

-Ilari

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